// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST1 // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST2 -emit-llvm -o - | FileCheck %s // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST3 // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm-only %s -verify -DTEST4 #ifdef TEST1 // rdar://15522601 class MyClass { static void meth(); }; void MyClass::meth() { } // expected-note {{previous}} extern "C" { void _ZN7MyClass4methEv() { } // expected-error {{definition with same mangled name '_ZN7MyClass4methEv' as another definition}} } #elif TEST2 // expected-no-diagnostics // We expect no warnings here, as there is only declaration of _ZN1TD1Ev // function, no definitions. extern "C" void _ZN1TD1Ev(); struct T { ~T() {} }; // We expect no warnings here, as there is only declaration of _ZN2nm3abcE // global, no definitions. extern "C" { int _ZN2nm3abcE; } namespace nm { float abc = 2; } // CHECK: @_ZN2nm3abcE = {{(dso_local )?}}global float float foo() { _ZN1TD1Ev(); // CHECK: call void bitcast ({{.*}} (%struct.T*)* @_ZN1TD1Ev to void ()*)() T t; // CHECK: call {{.*}} @_ZN1TD1Ev(%struct.T* %t) return _ZN2nm3abcE + nm::abc; } #elif TEST3 extern "C" void _ZN2T2D2Ev() {}; // expected-note {{previous definition is here}} struct T2 { ~T2() {} // expected-error {{definition with same mangled name '_ZN2T2D2Ev' as another definition}} }; void foo() { _ZN2T2D2Ev(); T2 t; } #elif TEST4 extern "C" { int _ZN2nm3abcE = 1; // expected-note {{previous definition is here}} } namespace nm { float abc = 2; // expected-error {{definition with same mangled name '_ZN2nm3abcE' as another definition}} } float foo() { return _ZN2nm3abcE + nm::abc; } #else #error Unknown test #endif |